CN2671277Y

CN2671277Y - Couductive embedding seat for unitary packed piazo-exciter

Info

Publication number: CN2671277Y
Application number: CN 200320101976
Authority: CN
Inventors: 吕垚村
Original assignee: YINCI CO Ltd
Current assignee: YINCI CO Ltd
Priority date: 2003-10-27
Filing date: 2003-10-27
Publication date: 2005-01-12
Anticipated expiration: 2013-10-27

Abstract

The utility model discloses a conductive embedding seat for unitary packed piazo-exciter. A base is embeded with one or more than one piezoelectric beam; the base is buried with a positive pole conductive component and a negative pole conductive component; the positive pole conductive component is pressed on the positive pole end surface of each beam and the negative pole conductive component is pressed on the negative pole end surface of each beam, which forms a galvanic circle to activate each beam to vibrate, and to activate the corresponding base board to discharge sound, and to integrate the positive pole conductive component and the negative pole conductive component and the pressing end of the beam to a unitary package.

Description

The conduction embedding seat of unitary packed piazo-exciter

Technical field

The utility model relates to the conduction embedding seat of a kind of unitary packed piazo-exciter (exciter).

Background technology

Source of sound exciter (Exciter) a kind ofly can be excited the signal of source of sound lead (stimulate) and is discharged the device of sound, in the sounding effect that in the streets has been used to replace sound basin on the conventional loudspeakers, and volume is compact, is applicable on various computer infrastructures or its peripheral device, on the substrate of various TV, phone, ANTENN AUDIO playing device (Audio), communicator, electronic toy, electronics ATM (automatic teller machine) or other various equipment, instrument or objects that must sounding.

" electric energy conveyer (Transducer) " of PCT patent application WO 01/54450 disclosed the technology of use exciter (Exciter), mainly be outside demand, to raise one's voice to its utmost to be installed with a pole socket 11 (as shown in Figure 1) on the object substrate 1 of sound, and at the piezoelectricity crossbeam 12 (beam) of secured in parallel on the pole socket 11 more than at least one or one, each crossbeam 12 is to use piezoelectric to make, and the upper strata end face 121 of each crossbeam 12 and lower floor's end face 122 all have the positive wire 13 and cathode conductor 14 that is connected source of sound respectively, impel the release sounding effect that can produce resonance and sympathetic response between each crossbeam 12.

But, in the source of sound excitation technique that above-mentioned habit skill is taken off, the source of sound positive and negative electrode lead 13 and 14 that is connected on each piezoelectricity crossbeam 12 all is wire joining to be cemented on the upper and lower layer end face 121 and 122 of each crossbeam 12 1 flank with the scolding tin adhesive means, therefore not only increased welding sequence, also force scolding tin and lead contact 15 and 16 exposed outside, get loose or suffer problem such as oxidation to such an extent as to easily cause lead to be pullled scolding tin contact 15; Moreover parallel interval between each crossbeam 12 distance is atomic, is particularly producing when resonating when crossbeam 12, adjacent on, the positive and negative electrode scolding tin contact 15 and 16 on lower floor's end face 121 and 122 subjects to touch mutually and cause short circuit; Simultaneously, be welded on the contact 15 and 16 and lead 13 and 14 on crossbeam one flank, the burden when forming resonance easily, to such an extent as to unlocking noise wave frequency when hindering each crossbeam 12 resonance is the definition of the outer sound reproduction of influence sound.

Summary of the invention

The purpose of this utility model provides a kind of conduction embedding seat of unitary packed piazo-exciter, piezoelectricity crossbeam (beam) and the interior embedding of the pressure contravention of conductive component are contained in the insulating base frame, with the fastness between lifting conduction contact structure dress, and can simplify working process.

The utility model will transmit lead cohesive end that source of sound uses and also be encapsulated in the lump in the above-mentioned insulating base frame that is embedded with conductive component and crossbeam, make that to transmit the conduction contact structure dress that the source of sound signal uses fixing loosening.

The utility model touches the middle section position that is packaged in sheet type piezoelectricity crossbeam by pressing contravention just in time to press the conductive component in the above-mentioned pedestal, makes crossbeam bilateral alar part exposed outside, and need not companys of weldering lead, the efficient of release sound wave when promoting crossbeam resonance.

The utility model also adds the drive circuit that extends above-mentioned exciter (exciter) usefulness and makes bare chip (dice) form, directly inlays (mount) and is integrated into one on pedestal, uses in order to assembling.

Above-mentioned purpose of the present utility model is to realize like this, a kind of conduction embedding seat of unitary packed piazo-exciter, be included in the horizontal or vertical piezoelectricity crossbeam of tool more than one or one of establishing on the insulating base frame, be coated with piezoelectric on each crossbeam, and the anodal end face of formation one deck and one deck negative pole end face, and the positive wire of external at least transmission source of sound and cathode conductor on this pedestal is characterized by: be embedded with anodal conductive component and negative pole conductive component in this pedestal; This is just reaching has an external connection end respectively and the moulding that links to each other with pressure contravention that crossbeam quantity equates on the negative pole conductive component; This external connection end that is just reaching on the negative pole conductive component is connected mutually with the positive wire that transmits source of sound and the cohesive end of cathode conductor respectively; Pressure contravention on this positive pole conductive component is pressed and is touched on the anodal end face of each crossbeam, and the pressure of the pressure contravention on the negative pole conductive component is touched on the negative pole end face of each crossbeam.

The utility model is elaborated with instantiation below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is a cut-away view of commonly using the source of sound exciter;

Fig. 2 is the stereogram of the utility model source of sound exciter;

Fig. 3 is the schematic perspective view of the utility model conductive component;

Fig. 4 is the cut-away view of the utility model source of sound exciter;

Fig. 5 is that the utility model extends conductive component the embodiment cut-away view that protrudes from outside the pedestal;

Fig. 6 is the utility model is inlayed a bare chip on pedestal an embodiment cut-away view.

Embodiment

Fig. 2 shows the stereogram of unitary packed piazo-exciter of the present utility model (exciter), is provided with a pedestal 2 (stub) by seeing among the figure to know on the substrate 10 of an object.This object can be various computer infrastructures or its peripheral device, various TV, phone, ANTENN AUDIO playing device (Audio), communicator, electronic toy, electronics ATM (automatic teller machine) or other various equipment, instrument or article that must discharge sound.And this pedestal 2 is made for using the insulating material that is beneficial to encapsulated moulding, for example AcrylonitrileButadiene Styrene (being called for short ABS) or other glue material etc.

As shown in Figure 2, on this insulating base frame 2, be embedded with the piezoelectricity crossbeam 3 (beam) of two sheet types in parallel or left and right horizontal mode up and down, each crossbeam 3 all utilizes piezoelectric to make, and makes to be formed with the anodal end face 31 of one deck and another layer negative pole end face 32 on each crossbeam 3.

Also encapsulate in this insulating base frame 2 and be embedded with an anodal conductive component 4 and another negative pole conductive component 5 (as shown in Figure 4), this positive and negative electrode

conductive component

4 and 5 uses in fact and adopts copper sheet or other conductive metal sheet, and one-body moldedly on the lamellar body

external connection end

41,51 is arranged and be embedded the type body (as shown in Figure 3) that

pressure contravention

42,52 that quantity equates links to each other with crossbeam 3.

Above-mentioned

external connection end

41 and 51 is connected respectively in the positive wire 61 and cathode conductor 62 (as shown in Figure 3) that transmit source of sound, positive wire 61 is connected mutually with the external connection end 41 of anodal conductive component 4, and cathode conductor 62 is connected mutually with the external connection end 51 of negative pole conductive component 5.And the cohesive end of this positive wire 61 and cathode conductor 62 can with above-mentioned positive and negative electrode

conductive component

4 and 5 and the position, two crossbeams, 3 stage casing that is embedded mutually together be encapsulated in above-mentioned pedestal 2 internal fixation and be integral (as shown in Figure 4), make that to transmit the conduction contact structure dress that the source of sound signal uses fixing loosening.

The end in addition of above-mentioned positive wire 61 and cathode conductor 62 is connected a connector 60 (as shown in Figure 2) with positive and negative electrode source of sound signal jack, in order to the source of sound Communication signal wire on the external device body.

Plasticly on the pressure contravention 42 of above-mentioned anodal conductive component 4 go out convex arc-shape or pointed pressure is touched portion 43, make and press contravention 42 or its pressure to touch portion 43 directly to press mutually and touch, make anodal source of sound can conduct to formation positive hydraulic circuit (as shown in Figure 4) on the anodal end face 31 of each crossbeam 3 with the anodal end face 31 that is embedded the crossbeam 3 in pedestal 2.

Mold the portion 53 that touches that presses on the pressure contravention 52 of above-mentioned negative pole conductive component 5, make pressure contravention 52 or its pressure touch portion's 53 direct pressures mutually and touch, make the negative pole source of sound constitute negative pressure loop (as shown in Figure 4) by negative pole end face 32 and negative pole conductive component 5 with the negative pole end face 32 that is embedded the plural crossbeam 3 in pedestal 2.

By above-mentioned member, when the source of sound signal of device in the body is passed to anodal end face 31 on the crossbeam 3 and negative pole end face 32 by firmly being encapsulated in positive wire 61, cathode conductor 62, anodal conductive component 4, negative pole conductive component 5 pedestal 2 in, alar part 33 exposed (as shown in Figure 2) outside because of each crossbeam 3 bilateral, and need not the company's of weldering lead, therefore can excite crossbeam 3, make the object substrate 1 of device pedestal 2 produce resonance and discharge clear euphony.

In addition, also can prolong system on the above-mentioned pedestal 2 of the utility model and form 20 (as shown in Figure 5) of a protruding seat, and the

external connection end

41 and 51 that makes positive and negative electrode conductive components 4 in the

pedestal

2 and 5 is extended to protrude and hold and is held in outside the protruding seat 20, formation is beneficial to the exposed positive terminal 44 and negative terminal 54 forms of external source of sound lead, also belongs to range of application of the present utility model.

In addition, the utility model also can make the drive circuit of exciter (exciter) usefulness bare chip (dice) 7 forms, and directly inlays (mount) and be integrated into one (as shown in Figure 6) on above-mentioned pedestal 2, in order to assembling use just; Wherein, the integrated circuit (IC) that this drive circuit is combined by a DC converter (DC converter) and amplifier (AMP) is the chip that uses bare chip (dice) 7 packings to form; And being provided with positive wire 63 and cathode conductor 64 straight streets at the input port of this bare chip (dice) 7 encapsulates and is connected on the positive and negative electrode

conductive component

4 and 5 in the above-mentioned pedestal 2, simultaneously the output port of bare chip (dice) 7 has a source of sound positive terminal (V+) 71, source of sound negative pole end (V-) 72, signal input part (Signal Input) 73 and treats lead or connector such as trigger end (Standby mode) 74, can supply with the client and be connected use, these technology also belong to the range of application of the utility model.

Claims

1. the conduction embedding seat of a unitary packed piazo-exciter, be included in the horizontal or vertical piezoelectricity crossbeam of tool more than one or one of establishing on the insulating base frame, be coated with piezoelectric on each crossbeam, and the anodal end face of formation one deck and one deck negative pole end face, and the positive wire of external at least transmission source of sound and cathode conductor on this pedestal is characterized by:

Be embedded with anodal conductive component and negative pole conductive component in this pedestal;

This is just reaching has an external connection end respectively and the moulding that links to each other with pressure contravention that crossbeam quantity equates on the negative pole conductive component;

This external connection end that is just reaching on the negative pole conductive component is connected mutually with the positive wire that transmits source of sound and the cohesive end of cathode conductor respectively; And,

Pressure contravention on this positive pole conductive component is pressed and is touched on the anodal end face of each crossbeam, and the pressure of the pressure contravention on the negative pole conductive component is touched on the negative pole end face of each crossbeam.

2. the conduction embedding seat of source of sound exciter according to claim 1, wherein this is just reaching the sheet metal that the negative pole conductive component is copper sheet or other conduction.

3. the conduction embedding seat of source of sound exciter according to claim 1, wherein this external connection end that is just reaching the negative pole conductive component is extended and is protruded from outside the pedestal, forms the positive terminal and the negative terminal that are beneficial to external source of sound lead.

4. as the conduction embedding seat of source of sound exciter as described in the claim 3, wherein prolong system on this pedestal and form a protruding seat, with hold hold from protruding seat go up outwards protrude just reach negative terminal.

5. the conduction embedding seat of source of sound exciter according to claim 1, wherein the cathode conductor cohesive end that just reaches of this source of sound together is encapsulated in the pedestal.

6. as the conduction embedding seat of source of sound exciter as described in the claim 5, wherein the end in addition that just reaches cathode conductor of this source of sound is connected a connector with positive and negative electrode source of sound signal jack.

7. the conduction embedding seat of source of sound exciter according to claim 1, wherein this is just reaching and is forming convex arc-shape on the pressure contravention of negative pole conductive component or pointed pressure is touched portion, makes with the negative pole end face that just reaches of crossbeam to press mutually and touch.

8. the conduction embedding seat of source of sound exciter according to claim 1, wherein be inlaid with an exciter drive circuit of making bare chip (dice) form on this pedestal, and this drive circuit combines an integrated circuit (IC) by a DC converter and amplifier.

9. as the conduction embedding seat of source of sound exciter as described in the claim 8, wherein the input port of this bare chip (dice) is provided with and just reaches cathode conductor and directly encapsulate and be connected on the positive and negative electrode conductive component in the pedestal, and the output port of bare chip (dice) has positive terminal, negative pole end, the signal input part of a source of sound and treats lead or connector such as trigger end.